Category Archives: 7d

Canon 7d – ERR20


After exposure, ERR20 – shooting is not possible message. This means some mechanical failure. Official Canon advice: “Err 20 Description: A malfunction with the mechanical mechanism has been detected. Resolution: Turn the power off, then remove and re-install the battery. … Continue reading

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Canon 40d motor revival in the body of a 7d


This is a story about my own 7d, which has been flooded with water, before I have purchased it “as it is”, practically not working. I repaired it in a few hours -worked well after.After a certain time stopped working, … Continue reading

Posted in 7d, Canon camera | 4 Comments

Canon 40d motor revival in the body of a 7d


This is a story about my own 7d, which has been flooded with water, before I have purcesed it “as it is”, practically not working. I repaired it in a few hours -worked well after. After a certain time stopped … Continue reading

Posted in 40d, 7d, General topics | 7 Comments

Button for 7d – donor: 300d :)


I had to repair a 7d (water intrusion). After repair, I have found a button (the liveview) without function. I disassembled, and found tha the rubber is too short, so you can not push in enough the plastic button. To … Continue reading

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Canon 7d – switching off not possible


In fact, this problem could happen to any camera. I may case i had to repair a 7d which has been dropped down with a flash on it – so the hot shoe contacts were damaged (pulled out from the … Continue reading

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Canon 7d – not working / ERR40


Yesterday I have got the 9th piece of 7d, with this sympthomes (in 2 years). The problem has been caused by a loosen screw, which makes a short. In 3 cases (from this 9) the bottom DC / flash circuit … Continue reading

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